{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Pigmentary+Retinopathy&page=4",
    "query": {
      "condition": "Pigmentary Retinopathy",
      "page": 4
    },
    "page_size": 10
  },
  "pagination": {
    "page": 4,
    "page_size": 10,
    "total_count": 141,
    "total_pages": 15,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Pigmentary+Retinopathy&page=5&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Pigmentary+Retinopathy&page=3&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-04T09:57:24.441Z",
  "attribution": "Data derived from public ClinicalTrials.gov records. The official record at https://clinicaltrials.gov/ remains the source of truth for current availability, contacts, and full study details.",
  "notes": [
    "This endpoint exposes only public summary fields — no participant contact emails, phone numbers, or scraped investigator contact details.",
    "For contact information and full protocol detail, follow each trial's `official_url` to the ClinicalTrials.gov record.",
    "This API is a navigational aid. It does not provide medical advice, eligibility determinations, or compensation guarantees."
  ],
  "trials": [
    {
      "nct_id": "NCT03057496",
      "title": "Collision Warning Device for Blind and Visually Impaired",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Hemianopia",
        "Hemianopsia",
        "Peripheral Visual Field Defect",
        "Blindness",
        "Retinitis Pigmentosa",
        "Glaucoma"
      ],
      "interventions": [
        {
          "name": "Collision warning device",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Massachusetts Eye and Ear Infirmary",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 49,
      "start_date": "2018-01-22",
      "completion_date": "2019-12-05",
      "has_results": true,
      "last_update_posted_date": "2021-02-10",
      "last_synced_at": "2026-10-04T09:57:24.441Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03057496"
    },
    {
      "nct_id": "NCT03146078",
      "title": "Rate of Progression in USH2A-related Retinal Degeneration",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Usher Syndrome, Type 2A",
        "Retinitis Pigmentosa 39"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Jaeb Center for Health Research",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "8 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "8 Years and older"
      },
      "enrollment_count": 127,
      "start_date": "2017-08-11",
      "completion_date": "2029-12-15",
      "has_results": false,
      "last_update_posted_date": "2026-07-23",
      "last_synced_at": "2026-10-04T09:57:24.441Z",
      "location_count": 9,
      "location_summary": "San Francisco, California • Gainesville, Florida • Baltimore, Maryland + 6 more",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Gainesville",
          "state": "Florida"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03146078"
    },
    {
      "nct_id": "NCT06388200",
      "title": "A Phase 3 Study Of OCU400 Gene Therapy for the Treatment Of Retinitis Pigmentosa",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Retinitis Pigmentosa"
      ],
      "interventions": [
        {
          "name": "Sub-Retinal Administration of OCU400-301",
          "type": "GENETIC"
        }
      ],
      "intervention_types": [
        "GENETIC"
      ],
      "sponsor": "Ocugen",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "3 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "3 Years and older"
      },
      "enrollment_count": 140,
      "start_date": "2024-06-18",
      "completion_date": "2027-02-12",
      "has_results": false,
      "last_update_posted_date": "2026-07-31",
      "last_synced_at": "2026-10-04T09:57:24.441Z",
      "location_count": 12,
      "location_summary": "Phoenix, Arizona • La Jolla, California • Los Angeles, California + 9 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Deerfield Beach",
          "state": "Florida"
        },
        {
          "city": "Miami",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06388200"
    },
    {
      "nct_id": "NCT04312672",
      "title": "Long-term Follow-up Gene Therapy Study for RPGR- XLRP",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "X-Linked Retinitis Pigmentosa"
      ],
      "interventions": [
        {
          "name": "AAV5-hRKp.RPGR",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "MeiraGTx Ocular UK Ltd",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "5 Years",
        "maximum_age": null,
        "sex": "MALE",
        "summary": "5 Years and older · Male only"
      },
      "enrollment_count": 42,
      "start_date": "2017-07-31",
      "completion_date": "2025-09-17",
      "has_results": false,
      "last_update_posted_date": "2026-09-25",
      "last_synced_at": "2026-10-04T09:57:24.441Z",
      "location_count": 3,
      "location_summary": "Boston, Massachusetts • Ann Arbor, Michigan • Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        },
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04312672"
    },
    {
      "nct_id": "NCT00447993",
      "title": "A Study of Encapsulated Cell Technology (ECT) Implant for Patients With Late Stage Retinitis Pigmentosa",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Retinitis Pigmentosa"
      ],
      "interventions": [
        {
          "name": "Low Dose NT-501",
          "type": "COMBINATION_PRODUCT"
        },
        {
          "name": "High Dose NT-501",
          "type": "COMBINATION_PRODUCT"
        }
      ],
      "intervention_types": [
        "COMBINATION_PRODUCT"
      ],
      "sponsor": "Neurotech Pharmaceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "68 Years",
        "sex": "ALL",
        "summary": "18 Years to 68 Years"
      },
      "enrollment_count": 67,
      "start_date": "2007-01-08",
      "completion_date": "2009-05-26",
      "has_results": true,
      "last_update_posted_date": "2024-08-13",
      "last_synced_at": "2026-10-04T09:57:24.441Z",
      "location_count": 11,
      "location_summary": "Beverly Hills, California • Sacramento, California • San Francisco, California + 8 more",
      "locations": [
        {
          "city": "Beverly Hills",
          "state": "California"
        },
        {
          "city": "Sacramento",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Hollywood",
          "state": "Florida"
        },
        {
          "city": "Jacksonville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00447993"
    },
    {
      "nct_id": "NCT04359108",
      "title": "Environmental Localization Mapping and Guidance for Visual Prosthesis Users",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Retinitis Pigmentosa",
        "Visual Impairment",
        "Visual Prosthesis"
      ],
      "interventions": [
        {
          "name": "Navigation system mode: Argus Vision",
          "type": "DEVICE"
        },
        {
          "name": "Navigation system mode: Depth Vision",
          "type": "DEVICE"
        },
        {
          "name": "Navigation system mode: Depth Vision with Haptic / Audio",
          "type": "DEVICE"
        },
        {
          "name": "Navigation system mode: Haptic / Audio",
          "type": "DEVICE"
        },
        {
          "name": "Navigation system mode: High Field-of-View Depth Vision",
          "type": "DEVICE"
        },
        {
          "name": "Distance test vision mode: Low Resolution / Low Field-of-View",
          "type": "DEVICE"
        },
        {
          "name": "Distance test vision mode: Low Resolution / High Field-of-View",
          "type": "DEVICE"
        },
        {
          "name": "Distance test vision mode: High Resolution / Low Field-of-View",
          "type": "DEVICE"
        },
        {
          "name": "Distance test vision mode: High Resolution / High Field-of-View",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Johns Hopkins University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 26,
      "start_date": "2021-03-16",
      "completion_date": "2024-09-30",
      "has_results": true,
      "last_update_posted_date": "2025-03-10",
      "last_synced_at": "2026-10-04T09:57:24.441Z",
      "location_count": 2,
      "location_summary": "Baltimore, Maryland • Laurel, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Laurel",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04359108"
    },
    {
      "nct_id": "NCT04141891",
      "title": "Advancing Understanding of Transportation Options",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Diabetic Retinopathy",
        "Macular Degeneration",
        "Glaucoma",
        "Retinitis Pigmentosa",
        "Vision Disorders",
        "Acute Coronary Syndrome",
        "Implantable Defibrillator User",
        "Congestive Heart Failure",
        "Hypertrophic Obstructive Cardiomyopathy",
        "Orthostatic Hypotension",
        "Syncope",
        "Presyncope",
        "Narcolepsy",
        "Dementia",
        "Multiple Sclerosis",
        "Parkinson Disease",
        "Brain Injuries",
        "Spinal Cord Injuries",
        "Stroke",
        "Vertigo",
        "Dizziness",
        "Seizures",
        "Substance Use",
        "Insulin Dependent Diabetes Mellitus",
        "Arthritis",
        "Foot--Abnormalities",
        "Chronic Obstructive Pulmonary Disease",
        "Obstructive Sleep Apnea",
        "End Stage Renal Disease",
        "Sleep Apnea",
        "Insomnia",
        "Restless Legs Syndrome"
      ],
      "interventions": [
        {
          "name": "Driving Decision Aid",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Older Drivers Website",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Colorado, Denver",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 529,
      "start_date": "2019-12-12",
      "completion_date": "2023-12-21",
      "has_results": true,
      "last_update_posted_date": "2025-02-21",
      "last_synced_at": "2026-10-04T09:57:24.441Z",
      "location_count": 3,
      "location_summary": "La Jolla, California • Aurora, Colorado • Indianapolis, Indiana",
      "locations": [
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Indianapolis",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04141891"
    },
    {
      "nct_id": "NCT04945772",
      "title": "Efficacy and Safety of MCO-010 Optogenetic Therapy in Adults With Retinitis Pigmentosa [RESTORE]",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Retinitis Pigmentosa",
        "Retinitis",
        "Retinal Diseases",
        "Eye Diseases",
        "Eye Diseases, Hereditary",
        "Retinal Dystrophies",
        "Retinal Degeneration"
      ],
      "interventions": [
        {
          "name": "Gene Therapy Product-MCO-010",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Sham Injection",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "PROCEDURE"
      ],
      "sponsor": "Nanoscope Therapeutics Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 27,
      "start_date": "2021-07-13",
      "completion_date": "2024-01-18",
      "has_results": false,
      "last_update_posted_date": "2024-03-22",
      "last_synced_at": "2026-10-04T09:57:24.441Z",
      "location_count": 5,
      "location_summary": "Beverly Hills, California • Pensacola, Florida • Fargo, North Dakota + 2 more",
      "locations": [
        {
          "city": "Beverly Hills",
          "state": "California"
        },
        {
          "city": "Pensacola",
          "state": "Florida"
        },
        {
          "city": "Fargo",
          "state": "North Dakota"
        },
        {
          "city": "Houston",
          "state": "Texas"
        },
        {
          "city": "McAllen",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04945772"
    },
    {
      "nct_id": "NCT03314207",
      "title": "Clinical Evaluation of Patients With X-linked Retinitis Pigmentosa (XLRP)",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "X-Linked Retinitis Pigmentosa"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Beacon Therapeutics",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "6 Years",
        "maximum_age": null,
        "sex": "MALE",
        "summary": "6 Years and older · Male only"
      },
      "enrollment_count": 14,
      "start_date": "2017-12-01",
      "completion_date": "2022-02-10",
      "has_results": false,
      "last_update_posted_date": "2023-01-11",
      "last_synced_at": "2026-10-04T09:57:24.441Z",
      "location_count": 3,
      "location_summary": "Durham, North Carolina • Portland, Oregon • Dallas, Texas",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        },
        {
          "city": "Portland",
          "state": "Oregon"
        },
        {
          "city": "Dallas",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03314207"
    },
    {
      "nct_id": "NCT01866371",
      "title": "High Resolution Retinal Imaging",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Stargardts",
        "Retinitis Pigmentosa",
        "Age-related Macular Degeneration",
        "Choroideremia",
        "Geographic Atrophy"
      ],
      "interventions": [
        {
          "name": "Retinal imaging",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "University of Pennsylvania",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "7 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "7 Years and older"
      },
      "enrollment_count": 600,
      "start_date": "2013-05",
      "completion_date": "2031-12",
      "has_results": false,
      "last_update_posted_date": "2026-05-05",
      "last_synced_at": "2026-10-04T09:57:24.441Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01866371"
    }
  ]
}